Software Engineer - Frontend

We are looking for a skilled React Native Developer to join our mobile development team. You will be responsible for building performant, maintainable, and responsive mobile applications for iOS and Android platforms using React Native.

Key Responsibilities:

• Develop cross-platform mobile applications using React Native and JavaScript
• Translate designs from Figma or other specs into responsive UI using Flexbox, StyleSheet, and semantic components like View, Text, and Image
• Work with APIs using fetch, async/await, and implement robust error handling
• Use React Hooks (useState, useEffect, useRef, etc.) and manage component state and lifecycles effectively
• Optimize performance using FlatList, SectionList, useMemo, useCallback, and memo
• Handle accessibility, dark mode, safe areas, notches, and orientation changes
• Implement animations using Animated API and LayoutAnimation
• Use tools like React DevTools, Flipper, and Chrome DevTools for debugging and performance profiling
• Integrate third-party libraries, native modules, or write custom native bridges as needed
• Handle OTA updates, app size optimizations, and splash screens for both platforms
• Set up automated testing using tools like Detox or Appium
• Integrate and manage analytics (Firebase, Mixpanel), Crashlytics, and logging
• Write clean, modular, and reusable code following patterns like atomic design or MVVM

Role - Principle Engg | Reactjs

Skill Set - Programming

• React js with Redux,
• HTML5/CSS3
• Javascript
• Mobx (optional)
• Storybook (optional)

Unit Test Cases: Jest & Enzyme

Code Quality:

• SonarQube Knowledge
• Strong hold on unit-testing frameworks and writing effective unit tests

Other Important Skills:

• Engineering & Design Skills
• Good analytical & problem solving skills
• Ability to ship features end to end without much guidance
• Experienced with Agile methodologies

Soft Skills

• Good communication skills
• Zeal to learn new technologies & Methodologies

Your Responsibilities:

• Own UI of Company's web & mobile app
• Gather and evaluate user requirements in collaboration with product managers and engineers
• Illustrate design ideas using storyboards, process flows and sitemaps
• Design graphic user interface elements, like screens, menus, tabs and widgets
• Develop UI mockups and prototypes that clearly illustrate how sites function and look like
• Create original graphic designs (e.g., images, sketches and tables)
• Prepare and present rough drafts to internal teams and key stakeholders
• Conduct layout adjustments based on user feedback
• Adhere to style standards on fonts, colors and images

Your qualifications:

• Knack for design
• Understanding of human centered design
• Experience in designing web & mobile apps for B2B users

• Skills : React JS, React router, redux, HTML, javascript, css

   

  BriefJobDescription:

  • FrontEnd Developer
    Passionate and Energtic to take responsibility of developing from scratch in frontend.
    Strong proficiency with React
    Understanding the nature of asynchronous programming and its quirks and workarounds
    Good understanding of server-side CSS preprocessors
    Basic understanding of front-end technologies, such as HTML5, and CSS3
    Understanding accessibility and security compliance
    User authentication and authorization between multiple systems, servers, and environments
    Understanding fundamental design principles behind a scalable application

• Experience in developing large scale, highly available, complex front-end development using JavaScript, React.js and ReactNative.
• Strong knowledge in both web and mobile application development.
• Knowledge, skills, and experience to write detailed design documentation, and functional specifications for application development.
• Write well designed, efficient, reusable, and reliable code.
• Experience with popular React.js workflows (such as Flux or Redux).
• Work with other senior Developers to resolve/debug program errors.
• Knowledge and ability to apply OOD (Java, HTML, XML, Java Script, and Patterns) and impact to the application development process.
• Knowledge of Agile development methodologies (preferably Scrum).
• Knowledge of database design and data structure libraries,(e.g., Immutable.js).
• Developing new user-facing features using React.js.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Actively aid the consulting team in different phases of the project including problem definition, effort estimation, diagnosis, solution generation, design development and deployment.
• Experience with data structure libraries,(e.g, Immutable.js).
• Contributing to team meetings, troubleshooting development.
• Good understanding of HTML CSS and front-end design technologies.

• Ability to establish and maintain effective working relationships, supporting company leadership and other team members.
• Ability to manage multiple and changing priorities/tasks.
• Must like to continuously improve code, product and process.
• Must work with a strong professional and ownership mindset.
• Strong working experience in JavaScript, ReactNative and ReactJs is required.
• In-depth understanding of Javascript, the DOM, and relevant concepts.
• Proficiency in Typescript.
• Should have hands-on experience with testing libraries like jest & enzyme.
• Must be strong in logic and coding abilities.
• Strong analytical and problem-solving skills.
• Must be passionate and self-motivated.
• Excellent team player and good communication skills.

• Translate designs and style guides provided by the UI/UX team into functional user interfaces, ensuring cross browser compatibility and performance
• Build efficient and reusable front-end system that drive complex web applications
• Identify, address performance bottleneck and communicate best practices for front end engineering
• Responsible for meeting expectations and deliverables on time and in high quality
• Collaborate with Product Designers, Product Managers, and Software Engineers to build/deliver next generation products
• Interact with other team members to incorporate their innovations and vice versa
• Rapid prototyping web user interfaces

Role & Responsibilities

We are a workplace thriving on young energy, on mentorship, craziness, drive and commitment to making a difference. This is what we could open for you!

We are looking for an experienced and accomplished Frontend Developer (ReactJS). The role will suit a natural problem solver. The core role will be in a technical leadership capacity.

Primary Responsibilities

• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly-responsive user interface components using React concepts.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.

Ideal Candidate:

• In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
• Must have minimum 1.5 years of experience in React JS.
• Knowledge in Web services, Web API, REST services, HTML, CSS3
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Excellent problem-solving ability and desire to learn new technologies and platforms.
• Experience with user interface design.
• Experience with browser-based debugging and performance testing software.
• Design, build, and maintain efficient, reusable, and reliable codes by setting expectations and features priorities throughout development life cycle
• Good teamwork.
• Excellent troubleshooting skills.
• Good project management skills.
• Flexible in his/her technical approach with a willingness to try new, creative technical solutions.

Working Mode: Only Office 

Job Location : Bangalore

Interview Process

First Round – Telephonic Discussion

Second Round – Zoom Call

**About Company**
SleepyCat is India's First Mattress-In-A-Box brand! We deliver luxury mattresses, at a fraction of the usual cost, straight from our factory to your doorstep in an easy-to-carry package. 
In sleepycat we constantly thrive to make our products and customer experience better using technology.

**About Role**
We are currently looking out for a frontend developer who is motivated to learn and work on challenging projects. You should have a product mindset with great technical skills. In sleepycat we promote new and fresh ideas which can directly or indirectly help customer experience and sales. Sleepycat provides to you platform to bring your thoughts into action and implement them.

Technical skills required (expertise in atleast two of these): Javascript, CSS, PHP

**Personal and Domain Growth Initiatives**
1. In SleepyCat we promote career growth. Once you are settled and have completely owned the system you are hired for, you have the freedom to pick some other technologies inside SC. You will be given time to learn and contribute. Right now we have Web Development (PHP/JS), ReactJS and Ruby on Rails. So you have the freedom to utilize 30% of your time on any of these languages if you wish to and remaining 70% on your primary domain.
2. We also promote self-growth. You can utilize 10% of your time to learn any skill you want and we will help you with that. It is not restricted to the tech domain, could be anything from marketing to sales to personality development.

**Interview Process Details**
***Technical Round 1: Development Knowledge Round***
We will test your skills in 3 domains
understanding an existing written code and ability to make changes
coding a logical question to test basic coding skills
ability to think of test cases to write a full proof code
***Technical Round 2: Coding Round***
45 minutes coding round where you will be required to code live sharing your screen. On the spot problem will be given.

**Additional details**
Website: https://sleepycat.in/
Work Culture: 6 days(All Saturday half day)
Office Location: 91Springboard, Kalina, Mumbai
Employee Strength: 40+ Employees
Founded: 2017
Funding: $1.6 Million

Read about Sleepycat and funding on Crunchbase: https://www.crunchbase.com/organization/sleepycat
Learn what employees say about Sleepycat on Glassdoor: https://tinyurl.com/r9oqfkl
Checkout what people say about SleepyCat products on Google: https://tinyurl.com/rco3nqr

Experience in implementing UI using DHTML, HTML5, CSS3, Bootstrap. Ability to interact with APIs based on HTTP and REST architecture and handle dynamic data on frontend. Experience in writing unit test cases for UI components. Knowledge about securing application and vulnerabilities such as XSS & CSRF.